// Modules to control application life and create native browser window
const {app, BrowserWindow,dialog,ipcMain} = require('electron')
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow

function createWindow () {
  // Create the browser window.
  mainWindow = new BrowserWindow({width: 800, height: 600})

  // and load the index.html of the app.
  mainWindow.loadFile('index.html')

  // Open the DevTools.
  // mainWindow.webContents.openDevTools()

  // Emitted when the window is closed.
  mainWindow.on('closed', function () {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null
  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)

// Quit when all windows are closed.
app.on('window-all-closed', function () {
  // On OS X it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

app.on('activate', function () {
  // On OS X it's common to re-create a window in the app when the
  // dock icon is clicked and there are no other windows open.
  if (mainWindow === null) {
    createWindow()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.

//arg: {
//      style: string   (file/)
//      url:   string
//
// }

ipcMain.on("main",(event,arg)=>{
      if(arg.style == "file"){
          var diaStyle = {};
          if(arg.filters){
              diaStyle.filters = arg.filters;
          }
          if(arg.properties){
              diaStyle.properties = arg.properties;
          }
          dialog.showOpenDialog(diaStyle,function(res){
              console.log(res);
              var getData = {};
              getData.res = res;
              getData.ipc = arg;
              event.sender.send(arg.url,getData);
          });
      }else if(arg.style == "err"){
          dialog.showErrorBox(arg.title,arg.content);
      }
});